& \multicolumn{4}{c}{1965} & \multicolumn{4}{c}{1970} \\
\cmidrule(lr{0.5em}){2-5} \cmidrule(lr{0.5em}){6-9}
 & (1) & (2) & (3) & (4) & (5) & (6) & (7) & (8) \\ \midrule
\hspace{0.2cm} J&    0.213&    0.178&    0.206&    0.231&    0.291&    0.233&    0.305&    0.249\\
                &  (0.102)&  (0.086)&  (0.108)&  (0.074)&  (0.084)&  (0.104)&  (0.089)&  (0.112)\\
\midrule Controls& $\times$&$\checkmark$& $\times$&$\checkmark$& $\times$&$\checkmark$& $\times$&$\checkmark$\\
Region FE       & $\times$& $\times$&$\checkmark$&$\checkmark$& $\times$& $\times$&$\checkmark$&$\checkmark$\\
F-statistic     &     4.38&     4.31&     3.62&     9.67&    12.14&     5.04&    11.85&     4.97\\
DV Mean         &    0.426&    0.426&    0.426&    0.426&    0.532&    0.532&    0.532&    0.532\\
DV SD           &    0.500&    0.500&    0.500&    0.500&    0.503&    0.503&    0.503&    0.503\\
Observations    &       94&       94&       94&       94&      113&      113&      113&      113\\
